View 1 of Lot 5. VACHERON CONSTANTIN | 18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440.
View 1 of Lot 5. VACHERON CONSTANTIN | 18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440.
5

VACHERON CONSTANTIN | 18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440

Estimate:

15,000 - 25,000 GBP

VACHERON CONSTANTIN | 18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440

VACHERON CONSTANTIN | 18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440

Estimate:

15,000 - 25,000 GBP

Lot sold:

18,750

GBP

VACHERON CONSTANTIN

18K YELLOW GOLD AUTOMATIC GENTLEMAN’S WRISTWATCH, REF 6440


One of the most highly-coveted timepieces from the mid-20th century, the reference 6440 — affectionately known as the Cioccolatone among collectors, due to its resemblance to a square of chocolate — utilizes one of the first automatic calibers created by Vacheron Constantin. This particular model, manufactured in 1960, employs the 12”-1071, which introduced an 18k gold oscillating weight and ruby ball-bearing. Its production started in 1957, the iconic silhouette, one of less than 140 produced in yellow gold, is accentuated by stepped-level lugs and a gently rounded bezel.


Dial: Silvered dial, applied gold indexes

Calibre: cal. 12”K1071 automatic, 29 jewels

Movement number: 545’734

Case: 18k yellow gold, snap-on back

Case number: 378’182

Closure: 18k yellow gold Vacheron Constantin pin buckle

Dimensions: 43 mm length x 35mm width

Signed: case, dial and movement

Manufactured: in 1960


This watch will come with a certificate of authenticity and an exclusive box provided by Vacheron Constantin. 


Technique:


Precision attributes:

•       hairspring with a terminal curve to reduce the bad effects of gravity

•       swan’s neck micrometric regulator to facilitate a fine metering


Longevity attributes:

•       rhodium-plated brass movement which protects against corrosion and preserve the Côtes de Genève decoration. Traditional Genevan finishing which gives a unique aspect to the bridges.

•       Flame blued steel and polished screws. Traditional finishing which gives an unique aspect to steel components.

•       winding-mechanism with ruby ball bearing. Benefits:               

•  reduces the normal wear

•  increases the weight inertia

•  winds the mainspring faster



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